Perhaps you should try some spelling variations:
"abacus symposium sas" » "aaas symposium sas", "spaces symposium sas", "lakes symposium sas", "abacus symposium sans", "abacus symposium sams"
"acs symposium series" » "acs symposium semi", "acs symposium sss", "acs symposium spire", "das symposium series", "lakes symposium series", "games symposium series"
"bacus symposium sas" » "bacus symposium sans", "bacus symposium sams"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("abacus symposium sas") OR ("bacus symposium sas"))) OR ("acs symposium series")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"abacus symposium sas\") OR (\"bacus symposium sas\"))) or (\"acs symposium series\"))".
• Removing quotes may allow a broader search: (((( abacus symposium sas ) OR ( bacus symposium sas ))) or ( acs symposium series )).
• Adding a wildcard symbol may retrieve word variants: (((("abacus symposium sas") OR ("bacus symposium sas"))) or ("acs symposium series"))*.